Air pump for aquaria



FIG. 1 is a perspective view;

FIG. 2 is a top view;

FIG. 3 is a right side view (the left side is a mirror image of theright side);

FIG. 4 is a bottom view;

FIG. 5 is a rear view; and,

FIG. 6 is a front view.

The broken lines are for illustration only and form no part of theclaimed design.

The ornamental design for an air pump for aquaria, substantially asshown and described.